The main audit functions entrusted with the Accountant General (Audit - I) are:
- Audit of receipts and expenditure of 35 Apex Departments which include the major departments such as Health, Local Self Government, Home, General Administration, Agriculture, Women & Child Development, Education, Sports & Youth Affairs, Labour & Employment, Water Resources, Fisheries, Co-operation, Social Justice, Information & Public Relations and Land Revenue.
- Audit of 207 Public Sector Undertakings/Autonomous bodies coming under the 35 Apex Departments
- Audit of the projects aided by the World Bank and Other external agencies and Centrally Sponsored schemes, which require certification by the Accountant General.
- Preparation of Reports of the Comptroller and Auditor General of India relating to Government of Kerala as:
- Stand Alone Performance Audit Reports
- State Compliance Audit Reports (Cluster/Department based Reports)
- State Compliance Audit Report on Local Self Government Institutions
- Rendering assistance to the State Legislative Committees during discussion of Audit Reports